Bower's and Wilkins P7 Wireless ($400, £320, AU$600) is one of the swankier wireless headphones available, competing with such "premium" over-ear wireless models as the , , and . Those models all have active noise canceling on top of their wireless capabilities, but this is a straight Bluetooth headphone that includes a cord, should you desire to go wired and optimize sound quality (yes, it sounds slightly better in wired mode).
I'm a fan of the original, and like that similarly designed model, the build quality and comfort level of this wireless version -- with its leather covered ear pads and sturdy metal-infused headband -- is quite impressive. What's likable about these headphones is that after a little break-in period they offer a tight seal around your ears for good passive noise-isolation, but don't put too much pressure on your head. While they're characterized as "mobile" headphones, they're fairly beefy, weighing in at 318 grams (11.2 ounces) -- 28 grams (1 ounce) more than the wired P7.
The headphones fold up (though not flat) to fit into an included half-moon shaped carrying case. That they collapse helps to reduce their carrying size, but they're obviously not the most compact headphones, and I've seen better case designs. That said, some people are a fan of this case.